Gene Information
Gene NameHSPB1
OrganismHomo sapiens (Human)
Gene Length205
Protein NamesHeat shock protein beta-1 (HspB1) (28 kDa heat shock protein) (Estrogen-regulated 24 kDa protein) (Heat shock 27 kDa protein) (HSP 27) (Stress-responsive protein 27) (SRP27)
Target Nameheat shock protein 20
Target TypeClinical trial target
Gene Age886 ( ENSG00000106211 )
Evolutionary StageEumetazoa
AlphaFoldDBP04792
Gene CardHSPB1
Uniprot IDP04792
PfamPF00011
In ASDno
Allosteric Predictionyes (0.622382397)
Ortholog in AnimalsAlpaca_ HSPB1 ( ortholog_one2one )
Dog_ HSPB1 ( ortholog_one2one )
GuineaPig_ HSPB1 ( ortholog_one2one )
Macaque_ HSPB1 ( ortholog_one2one )
Mouse_ Hspb1 ( ortholog_one2one )
Pig_ HSPB1 ( ortholog_one2one )
Rat_ Hspb1 ( ortholog_one2one )
Rabbit_ HSPB1 ( ortholog_one2one )
OhnologsNA
ParalogsCRYAB, CRYAA, HSPB3, HSPB6, HSPB2, HSPB8, HSPB7, HSPB9
TissueNA
Tissue SpecificityDetected in all tissues tested: skeletal muscle, heart, aorta, large intestine, small intestine, stomach, esophagus, bladder, adrenal gland, thyroid, pancreas, testis, adipose tissue, kidney, liver, spleen, cerebral cortex, blood serum and cerebrospinal fluid. Highest levels are found in the heart and in tissues composed of striated and smooth muscle. {ECO:0000269|PubMed:1560006}.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.001228(Rat);0.026316(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2N3J  (NMR  3Q9P  (X-ray  2.00A  3Q9Q  (X-ray  2.20A  4MJH  (X-ray  2.60A  6DV5  (X-ray  3.58A  6GJH  (X-ray  2.10A 
DBSNP rs1563651698  rs1554614432  rs557327165  rs1393404971  rs375244209  rs770272088  rs121909113  rs29001571  rs558882005  rs28939680  rs863225022  rs28939681  rs121909112  rs1554614650  rs28937568  rs374995963  rs1032400275  rs1422978230  rs28937569  rs774585320  rs772767500  rs764297134 
Subcellular location [CC]Cytoplasm {ECO:0000269|PubMed:10777697, ECO:0000269|PubMed:28144995}. Nucleus {ECO:0000269|PubMed:19464326}. Cytoplasm, cytoskeleton, spindle {ECO:0000269|PubMed:10777697}. Note=Cytoplasmic in interphase cells. Colocalizes with mitotic spindles in mitotic cells. Translocates to the nucleus during heat shock and resides in sub-nuclear structures known as SC35 speckles or nuclear splicing speckles. {ECO:0000269|PubMed:19464326}.
Mouse PG classificationLPG
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